公开(公告)号：US20190148653A1

公开(公告)日：2019-05-16

申请号：US16176919

申请日：2018-10-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liqiang CHEN ,  PaoMing TSAI ,  Jianwei LI ,  Dejun BU ,  Song ZHANG

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  G06F3/041

Abstract: A flexible display substrate includes a flexible base substrate, and a plurality of conductive terminals and a stress relief layer which are arranged sequentially on the flexible base substrate and disposed in a bonding region of the flexible base substrate. The bonding region includes Pad regions. The stress relief layer is provided with via holes on positions corresponding to the Pad regions respectively, and the via holes are used for exposing conductive surfaces of the conductive terminals respectively. The conductive surfaces are used for bonding an IC.

公开(公告)号：US20190173051A1

公开(公告)日：2019-06-06

申请号：US16002080

申请日：2018-06-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dejun BU ,  Paoming TSAI ,  Lu LIU ,  Liqiang CHEN ,  Hong LI ,  Jianwei LI ,  Shuang DU

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  C09J7/25 ,  C09J11/04 ,  H01L51/00

CPC classification number: H01L51/5253 ,  C08K3/105 ,  C08K3/36 ,  C08K7/24 ,  C08K2003/0806 ,  C08K2003/0831 ,  C08K2003/222 ,  C08K2003/2241 ,  C08K2003/2296 ,  C08K2201/005 ,  C08K2201/011 ,  C09J7/25 ,  C09J7/30 ,  C09J7/40 ,  C09J11/04 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2203/326 ,  C09J2205/102 ,  C09J2479/086 ,  H01L27/322 ,  H01L27/323 ,  H01L27/3244 ,  H01L51/0035 ,  H01L51/004 ,  H01L51/524 ,  H01L51/5281 ,  H01L51/56 ,  H01L2251/5338

Abstract: The present disclosure relates to the field of display, in particular to a composite cover film and a flexible display device. The composite cover film comprises a polyimide layer, and a first hard coating and a first transparent optical adhesive layer disposed on two sides of the polyimide layer, respectively, wherein at least one of the first hard coating and the first transparent optical adhesive layer contains a nanoscale colorant. The present disclosure further relates to a flexible display device comprising a flexible display panel and the composite cover film disposed on a light-exiting side of the flexible display panel.

公开(公告)号：US20190051223A1

公开(公告)日：2019-02-14

申请号：US15991117

申请日：2018-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jianwei LI ,  Pao Ming TSAI ,  Shuang DU ,  Hong LI ,  Dejun BU ,  Liqiang CHEN ,  Lu LIU ,  Peng CAI

IPC: G09F9/30 ,  H01L51/00 ,  B32B7/12 ,  G02B1/11 ,  H05K5/03

Abstract: The present disclosure discloses a cover structure, a manufacturing method thereof and a display device. The cover structure includes a first and a second transparent flexible film layer, a glass panel, and a first optical adhesive layer. The first transparent flexible film layer has a folded region and a non-folded region. The glass panel is disposed on the first transparent flexible film layer, and a projection of the glass panel on the first transparent flexible film layer is located inside the non-folded region. A part of the first optical adhesive layer is formed at a side of the glass panel facing away from the first transparent flexible film layer, and a part of the first optical adhesive layer covers the folded region of the first transparent flexible film layer. The second transparent flexible film layer is formed at a side of the first optical adhesive layer facing away from the first transparent flexible film layer.

公开(公告)号：US20200243779A1

公开(公告)日：2020-07-30

申请号：US16620559

申请日：2018-10-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lu LIU ,  Pao Ming TSAI ,  Peng CAI ,  Hong LI ,  Dejun BU ,  Jianwei LI ,  Liqiang CHEN

IPC: H01L51/00 ,  H01L51/56

Abstract: A flexible display substrate and a manufacturing method therefor, and a display apparatus, for relieving the problem that it is difficult to bend the flexible display substrate in a bending region to damage an upper circuit. The flexible display substrate comprises a back film, a first flexible base substrate located above the back film, and a second flexible base substrate located on one side of the first flexible base substrate facing away from the back film. The flexible display substrate has a bending region. An auxiliary layer is further provided between the first flexible base substrate and the second flexible base substrate. At least part of the auxiliary layer in the bending region can be decomposed in a preset condition, wherein the other film layers except the auxiliary layer are maintained at the original status in the preset condition.

公开(公告)号：US20210365083A1

公开(公告)日：2021-11-25

申请号：US16621132

申请日：2019-05-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jianwei LI ,  Yongxiang SHI ,  Paoming TSAI

IPC: G06F1/18 ,  G06F1/16 ,  G09F9/30 ,  C08J7/04 ,  C08J7/046

Abstract: A cover plate, a method for preparing the same, a display panel, and a display device are provided. The cover plate has a bending zone and a non-bending zone, and the cover plate includes: a substrate layer and a hardened layer attached to the substrate layer, in which the hardened layer includes a first hardened layer portion located in the bending zone, the first hardened layer portion including a mixture of a flexible hardened material and a rigid hardened material.

公开(公告)号：US20210150941A1

公开(公告)日：2021-05-20

申请号：US16622563

申请日：2019-05-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dejun BU ,  Paoming TSAI ,  Jianwei LI

IPC: G09F9/30 ,  G06F3/041

Abstract: A flexible display device is configured to be bendable along at least one bending axis, have two opposite sides at both ends of the bending axis, respectively, and include a first substrate and a second substrate opposite to each other, and a hetero-shaped double-sided adhesive tape bonding the first substrate and the second substrate to each other on at least one of the two opposite sides. The hetero-shaped double-sided adhesive tape includes a lower adhesive layer, a base material layer, and an upper adhesive layer which are stacked together in sequence. In a stacking direction of the lower adhesive layer, the base material layer and the upper adhesive layer, the upper adhesive layer has a non-overlapping region that does not overlap the lower adhesive layer, and/or the lower adhesive layer has a non-overlapping region that does not overlap the upper adhesive layer.

公开(公告)号：US20190148319A1

公开(公告)日：2019-05-16

申请号：US16122035

申请日：2018-09-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liqiang CHEN ,  Paoming TSAI ,  Jianwei LI ,  Chen XU

IPC: H01L23/00 ,  H01L27/12

Abstract: The disclosure relates to the field of display technologies and particularly to a chip, a flexible display panel and a display device. The chip includes a body and a plurality of connection terminals arranged on a surface of the body, where each connection terminal is provided with a stress concentration resisting structure for preventing from producing the stress concentration phenomenon.

公开(公告)号：US20190131363A1

公开(公告)日：2019-05-02

申请号：US16130099

申请日：2018-09-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chunyan XIE ,  Jianwei LI ,  Liqiang CHEN ,  Song ZHANG

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/00 ,  H01L51/52 ,  G09F9/30

Abstract: The present disclosure provides a flexible display device, a display apparatus, and a method for manufacturing the flexible display device. The flexible display device comprises a flexible display panel, a hardened layer, and an integrated circuit layer with bumps. A front surface of the flexible display panel is provided with a circuit bonding region. The flexible display panel comprises a first flexible substrate. The hardened layer is on the first flexible substrate. The hardened layer is at a position corresponding to the circuit bonding region. The integrated circuit layer is bonded to the circuit bonding region by the bumps.

公开(公告)号：US20190130158A1

公开(公告)日：2019-05-02

申请号：US16168333

申请日：2018-10-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dejun BU ,  Paoming TSAI ,  Jianwei LI

IPC: G06K9/00 ,  G06F3/041 ,  G06F3/042 ,  H05K5/03

Abstract: A cover plate and a manufacturing method thereof, an electronic device are disclosed. The cover plate includes an operation area, the operation area includes an identification area and a non-identification area, the cover plate includes a contact surface, the contact surface includes a first contact surface and a second contact surface, the first contact surface is in the identification area, the second contact surface is in the non-identification area, and the first contact surface and the second contact surface have different contact properties.